Convert: a) 8250 g =kg b) 10 3/4 l = ml c) 6 m 5 cm = cm d) 9 km 50 m =m *

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Step-by-step explanation:

Convert: a) 8250 g =kg b) 10 3/4 l = ml c) 6 m 5 cm = cm d) 9 km 50 m =m *

a) Note that 1000g = 1kg

8250g = x

1000 * x = 8250

1000x = 8250

x = 8250/1000

x = 8.25kg

b) 10 3/4 l to ml

1l = 0.001ml

10 3/4 l  = x

Cross multiply

1 * x = 10 3/4 * 0.001

x = 43/4 * 0.001

x = 0.043/4

x = 0.01075ml

c) 6m 5cm to cm

Since 1m = 100cm

6m 5cm

= 6(100) + 5

= 600 + 5

= 605cm

d) 600km 50m to m

1000m = 1km

x = 9km

x  = 9000m

600kn 50m

= 9000m + 50m

= 9050m

what's that

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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